Single-engine piston

N21987

1939 Porterfield CP-50

Registered No accidents on file
Built
1939
Serial
570
Class
Single-engine piston
Engines
Continental A&C65 series
Status
Current as of October 2026
Registered owner
Co-owned · sign in to see
Based
Anahiem Hills, CA
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Registration record

N21987 on the FAA register

Type
1939 Porterfield CP-50
Serial
570
Engines
Continental A&C65 series
Registered owner
Co-owned — the name of an individual registrant is shown to signed-in users. Sign in
Anahiem Hills, CA
Certificate issued
2016-07-19
Airworthiness date
1959-07-07
Registration expires
2029-07-31
Airworthiness class
Standard
Mode S (hex)
A1DE81
Mode S (octal)
50357201
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2029-07-31
    Registration expires (renewal due).
  • 2016-07-19
    Certificate of registration issued as N21987.
  • 1959-07-07
    Airworthiness date on the current FAA record (standard category).
  • 1939
    Manufactured (1939).
Overview

About N21987

N21987 is a 1939 Porterfield CP-50, serial number 570. It is registered to co-owners in Anahiem Hills, California. The current certificate of registration was issued on July 19, 2016 and expires on July 31, 2029.

The FAA aircraft reference file describes the type as a single-engine piston, one Continental A&C65 series engine and 2 seats. Its airworthiness certificate is standard category, dated July 7, 1959.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N21987.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N21987.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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Browse: Aircraft registered in California· Registry by state· FAA registry stats

Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.